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willysmjeeps.com :: View topic - Dwell/Tach meter
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Dwell/Tach meter

 
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RICKG
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Joined: Aug 31, 2010
Posts: 1740
Location: SO IDAHO

PostPosted: Sun May 17, 2015 9:39 am    Post subject: Dwell/Tach meter Reply with quote

Looking for recommendations/sources for an affordable and accurate meter.
They're not available "off the shelf" for purchase within 50 miles of my location (who would use shelf space for a tool only .01% of todays population would ever use?) I used a feeler gage and timing lite on my truck and am
satisfied w/performance, just want to dial it in closer if possible.

http://www.sears.com/actron-dwell-tach-volt-meter/p-00902165000P?adCell=REC_1_0
Here's an offering from Sears internet sale. $34 bucks shipped.

I'd sure rather hold it in my hand before I plunk down the bucks but I know that's not always possible Crying or Very sad
I'm running a stock 24V system. These meters are set up for 12v and 6 or 8cyl eng. I read where it said to double 8 cyl readings for 4 cyl application but what would I expect using a 12V meter on a 12V sys??

Might there be a unit available out there more purpose built for our trucks?

And yes I do have the dwell adapter in my kit.
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RICKG MC 51986 DOD 01-52, '50 CJ3a
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wesk
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Joined: Apr 04, 2005
Posts: 16253
Location: Wisconsin

PostPosted: Sun May 17, 2015 12:17 pm    Post subject: Reply with quote

Rick, There are surplus military dwell/tacs out there that acommadate 24 Volt.. I have a nice unit I picked up about 7 or 8 years ago for $30 surplus. Just google "military dwell tachometer test set"
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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RICKG
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Joined: Aug 31, 2010
Posts: 1740
Location: SO IDAHO

PostPosted: Mon May 18, 2015 12:01 pm    Post subject: Reply with quote

So here's a current listing on flea-bay, spendy at a hundred bucks to start but it's still noted 12V on the front panel..
http://i.ebayimg.com/00/s/MTYwMFgxMjA1/z/AHYAAOSwPgxVMZQY/$_57.JPG

http://www.ebay.com/itm/USGI-Test-Set-Tachometer-and-Dwell-truck-Tractor-Carburetor-Governor-repair-/351398486061

Still trying to learn about these..
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RICKG MC 51986 DOD 01-52, '50 CJ3a
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wesk
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Joined: Apr 04, 2005
Posts: 16253
Location: Wisconsin

PostPosted: Tue May 19, 2015 11:17 am    Post subject: Reply with quote

This should help you a bit:
http://psmag.radionerds.com/images/1/13/DA_Pamphlet_750-22.pdf
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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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RICKG
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Posts: 1740
Location: SO IDAHO

PostPosted: Tue May 19, 2015 1:14 pm    Post subject: Reply with quote

Thanks Wes. Downloaded, printed, 3-hole punched for my downloads binder on the bench. Looks like interesting reading.
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RICKG MC 51986 DOD 01-52, '50 CJ3a
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wesk
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Joined: Apr 04, 2005
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Location: Wisconsin

PostPosted: Tue May 19, 2015 1:47 pm    Post subject: Reply with quote

Here's mine:




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Wes K
45 MB, 51 M38, 54 M37, 66 M101A1, 60 CJ5, 76 DJ5D, 47Bantam T3-C & 5? M100

Mjeeps photo album: http://www.willysmjeeps.com/v2/modules.php?set_albumName=Wes-Knettle&op=modload&name=gallery&file=index&include=view_album.php
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RICKG
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Joined: Aug 31, 2010
Posts: 1740
Location: SO IDAHO

PostPosted: Tue May 19, 2015 1:54 pm    Post subject: Reply with quote

Nice!! Can I borrow it?? Embarassed Laughing (just kidding)

I see yours is #4910 788 8549 and the pg 3 download lists same #.

Both current auction offerings I see are #4910 00 788 8549, with the 2 extra 00 after 4910 and both are noted as 12V. I'm not interested in either
of the current offerings (too spendy) just researching.

It appears there is a 24 and 12v variant of the same basic tool.
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RICKG MC 51986 DOD 01-52, '50 CJ3a
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